From f14d8b1e575a594194221109eb222887204e0df3 Mon Sep 17 00:00:00 2001
From: Petr Sloup <slouppetr@gmail.com>
Date: Fri, 20 Jan 2017 10:20:06 +0100
Subject: [PATCH] Update sharp dependency

---
 package.json          | 2 +-
 src/serve_rendered.js | 9 ++++-----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/package.json b/package.json
index f70ef63..02456f6 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "nomnom": "1.8.1",
     "pbf": "3.0.5",
     "request": "2.79.0",
-    "sharp": "0.16.2",
+    "sharp": "0.17.1",
     "tileserver-gl-styles": "1.1.0",
     "vector-tile": "1.3.0",
     "@mapbox/mapbox-gl-native": "3.4.4",
diff --git a/src/serve_rendered.js b/src/serve_rendered.js
index 77f8cd7..09f686c 100644
--- a/src/serve_rendered.js
+++ b/src/serve_rendered.js
@@ -327,16 +327,15 @@ module.exports = function(options, repo, params, id, dataResolver) {
           image.overlayWith(opt_overlay);
         }
 
-        image.toFormat(format);
-
         var formatQuality = (params.formatQuality || {})[format] ||
                             (options.formatQuality || {})[format];
+
         if (format == 'png') {
-          image.withoutAdaptiveFiltering();
+          image.png({adaptiveFiltering: false});
         } else if (format == 'jpeg') {
-          image.quality(formatQuality || 80);
+          image.jpeg({quality: formatQuality || 80});
         } else if (format == 'webp') {
-          image.quality(formatQuality || 90);
+          image.webp({quality: formatQuality || 90});
         }
         image.toBuffer(function(err, buffer, info) {
           if (!buffer) {